Shader "Unlit/Transparent Colored with mask" 
{
  Properties 
  {
    _MainTex ("Base (RGB), Alpha (A)", 2D) = "white" {}
    _AlphaTex ("Yeahyeah", 2D) = "white" {}
  }
 
  SubShader
  {
    LOD 100
 
    Tags
    {
      "Queue" = "Transparent"
      "IgnoreProjector" = "True"
      "RenderType" = "Transparent"
    }
 
    Pass 
    {
      Cull Off
      Lighting Off
      ZWrite Off
      Fog { Mode Off }
      Offset -1, -1
      ColorMask RGB
      AlphaTest Greater .01
      Blend SrcAlpha OneMinusSrcAlpha
      ColorMaterial AmbientAndDiffuse
 
      SetTexture [_MainTex] 
      {
        Combine Texture * Primary
      }
 
      SetTexture [_AlphaTex] 
      {
        Combine previous, texture
      }
    }
  }
}